Will I need new gaskets or hardware to install this?

You'll need a header gasket set compatible with your engine. Check your vehicle's service manual for the correct gasket part number and any hardware recommendations — most bolt-on headers use factory studs, but confirming first saves a return trip.

Do I need to have this ceramic coated or painted?

Stainless steel will develop a natural patina over time but won't rust. If you prefer a polished or coated finish, that's a personal choice — the header will perform the same either way. Any coating work should be done before installation.

Will this bolt directly to my stock exhaust piping?

The header's outlet diameter determines compatibility with your downstream exhaust. Test-fit it before finalizing any connections to confirm alignment with your existing piping or new cat-back system.